I found this conversation too general. It did not say much besides the usual formulaic stuff about eating moderately and exercising regularly. Common sense really. What may be useful would be to pick up a theme around which the interview could be structured - say thyroid deficiency and the symptoms and how these would have to be addressed differently from just obesity and weight gain. Or say someone with a lower back problem who is also overweight. Again some sense of what notions of right weight are would be useful - someone is 49 kgs and is complaining about weight gain!! Frankly, I was a little disappointed.